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A spinner has regions numbered 1 through 15 What is the probability that the spinner will stop on an even number or a multiple of? 3?
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According to a Pew Research Center poll, 22% of adult Americans have contributed to an online fundraising project. A random sample of 100 adults is selected. Let the random variable X be the number of adult Americans who ...
Assume the random variable x is normally distributed with mean mu = 86 and standard deviation sigma =4. Find the indicated probability. P(x
Question 1. Many high school students take the AP tests in different subject areas. In 2007, of the 144,796 students who took the biology exam 84,199 of them were female. In that same year,of the 211,693 students who too ...
Seedlings come in packages of 10 and consist of the following: 2 Douglas-fir, 3 spruce, and 5 pines. In any given package, how many ways can the 10 seedlings be arranged if seedlings that are the same species cannot be d ...
What would be the net annual cost of the following checking account? Interest earnings of 3 percent with a $550 minimum balance; average monthly balance, $800; monthly service charge of $15 for falling below the minimum ...
A survey reported that 80% of college students had access to a tablet. In a sample of 200 college students, find the probability that more than 170 had access to a tablet.
Please show all work. A pair of dice is tossed and the face number of each die is recorded. Assuming the dice are fair, what's the probability of the sum of the die faces showing is even?
Fifty-seven percent of employees make judgements about their co-workers based on the cleanliness of their desk. You randomly select 8 employees and ask them if they judge co-workers based on this criterion. The random va ...
If all the data values in a population are converted to? z-scores, the distribution of? z-scores will have what? mean? Choose the correct answer below. A. The mean of the? z-scores will be zero. B. The mean of the? z-sco ...
1. Domino's pizza is willing is willing to pay Kes 250 in airtime to each person interviewed about his or likes and dislikes of types of pizza crust. Of the people interviewed, 220 liked a thin crust, 270 like a thick cr ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
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